Arrest comes just weeks after he completed court-ordered drug rehab at the Promises Treatment Center in Malibu, Calif.

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Chicago teen rapper Chief Keef is in trouble with the law again, this time for allegedly driving under the influence of marijuana.

Keef, 18, whose real name is Keith Cozart, was arrested shortly before 1 a.m. on March 5 by officers in Highland Park. Cozart was pulled over in the 2600 block of Skokie Valley Road after officers noticed he had an expired registration on his 2010 Jeep Grand Cherokee, Highland Park deputy chief George Pfutzenreuter said.

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When police approached the car, they claim they noticed Cozart seemed impaired by drugs, and that they could smell burnt marijuana coming from inside of his car, Pfutzenreuter said.

Cozart later failed a sobriety test and was taken in to police custody, he said. He was charged with one count each of driving under the influence of drugs, driving without a valid driver’s license, operating an uninsured motor vehicle and having an expired registration, Pfutzenreuter said.

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He was held on a $300 bond and was released later that morning after posting bail, Pfutzenreuter said.